Xynaptic Fiat-USDC Rate — best fiat↔USDC conversion rate per payment rail (Base, Polygon, Solana): Coinbase spot, spread, network fees, best-rail verdict. GET ?currency=EUR.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.02 USDC | 0x4ff8...D5e9 |
| solana:mainnet | exact | 0.02 tokens | Aq6J1z...Ffed |
| Polygon | exact | $0.02 USDC | 0x3E39...F2C6 |